MATHEMATICS HIGH SCHOOL

What is the correct answer, HELP PLEASE!!​
what is the correct answer, HELP PLEASE!!​ - 1

Answers

Answer 1
Answer:

Answer:

CDB

Step-by-step explanation:

in this problem, it goes in order from one dash, no dash, 2 dashes. So, just follow the pattern it gives you.
Answer 2
Answer: CDB i believe :))))) akstsjeguey

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Review the incomplete derivation of the cosine sum identity.A 2-column table with 5 rows. Column 1 has entries step 1, step 2, step 3, step 4, step 5. Column 2 has entries cosine (x + y), sine (StartFraction pi Over 2 EndFraction minus (x + y) ), blank, sine (StartFraction pi Over 2 EndFraction minus x) cosine (negative y) + cosine (StartFraction pi Over 2 EndFraction minus x) sine (negative y), blank.Which expressions for Step 3 and Step 5 complete the derivation?Step 3: Sine ( (StartFraction pi over 2 EndFraction minus x) + y )Step 5: cos(x)cos(y) + sin(x)sin(y)Step 3: Sine ( (StartFraction pi over 2 EndFraction minus x) + y )Step 5: cos(x)cos(y) – sin(x)sin(y)Step 3: Sine ( (StartFraction pi over 2 EndFraction minus x) minus y )Step 5: cos(x)cos(y) + sin(x)sin(y)Step 3: Sine ( (StartFraction pi over 2 EndFraction minus x) minus y )Step 5: cos(x)cos(y) – sin(x)sin(y)
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Create a list of steps, in order, that will solve the following equation.(x + 3)2 – 1 = 35Solution steps:Add 1 to both sidesAdd 3 to both sidesSubtract 1 from both sidesSubtract 3 from both sidesTake the square root of both sides

Find n.
30/38= 15/n
n=______

Answers

multiple 38 with 15 and divide the result with 30 n = 19

Answer:

19

Step-by-step explanation:

Find the x-intercept of the parabola with vertex (6,27) and y-intercept (0,-81)

Answers

The vertex form of the equation of a parabola with the vertex (h,k):
y=a(x-h)^2+k

The parabola has the vertex at (6,27).
y=a(x-6)^2+27

The y-intercept is (0,-81).
x=0, \ y=-81 \n\Downarrow \n-81=a(0-6)^2+27 \n-81=a(-6)^2+27 \n-81=36a+27 \n-81-27=36a \n-108=36a \n(-108)/(36)=a \na=-3

The equation of the parabola is:
y=-3(x-6)^2+27

y=0 at the x-intercepts.
0=-3(x-6)^2+27 \n-27=-3(x-6)^2 \n(-27)/(-3)=(x-6)^2 \n9=(x-6)^2 \n√(9)=√((x-6)^2) \n3=|x-6| \nx-6=3 \ \lor \ x-6=-3 \nx=3+6 \ \lor \ x=-3+6 \nx=9 \ \lor \ x=3

The x-intercepts are x=3 and x=9.

Convert 0.14 kilograms to grams

Answers

Hey there, 0.14 kilograms is 140 grams, All I did was 0.14*1000 and that gave me 140
the answer would be 140 grams because there are 1000 grams in a kilogram. when you change from a greater unit to a smaller one, you multiply. 0.14 multiplied by 1000 is 140

For a button to fit through its buttonhole, the hole needs to be the size of the button's diameter. What size buttonhole is needed for a button with a circumference of 7.38 centimeters? (Use the value of 3.14 to represent pi, and the formula for circumference = 2*pi*r)

Answers

A button with a circumference of 7.38 cm will need a buttonhole with the size of 2.35 cm.

Since the circumference is equivalent to 7.38 cm, the formula can be displayed as follows:
7.38 cm = 2πr
r = 7.38cm/2π
r= 1.1751592 cm
diameter = 2r
               = 2.3503184 cm or approximately 2.35 cm

What are the coordinates of point A?
A. (0,-4)
B. (-4,0)
C. (4,0)
D. (0,4)

Answers

Answer:

(0,-4)

Step-by-step explanation:

The x coordinate comes first in the ordered pair

We do not move left or right from the origin so the x coordinate is zero

The y coordinate is second, we move 4 units down so the y coordinate is negative 4

The ordered pair is (0,-4)
0,-4 coordinates of point A

Mikey bought 4 of the 500 raffle tickets sold towin a new TV. What is the probability that he will
win the TV

Answers

Answer:

4/500

Step-by-step explanation:
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